13 February 2014, 10:15 AM ET
People with chronic viral or bacterial infections may face an increased risk of thinking and memory problems later in life, according to a new study.
12 February 2014, 07:42 PM ET
Implicit memory uses past experiences to remember things without thinking about them, like how to ride a bike or button a shirt.
12 February 2014, 07:00 PM ET
The short answer is that it’s a lot safer than not cutting it off.
12 February 2014, 05:00 PM ET
A woman in Taiwan had an unusual cause of her ear pain: a fruit fly larva was wriggling around inside her ear canal.
12 February 2014, 05:00 PM ET
A 61-year-old woman with rheumatoid arthritis suffered a serious repercussion of her condition: The irises of her eyes began to protrude, and she needed immediate surgery, according to a new report of her case.
12 February 2014, 04:03 PM ET
The people at highest risk for suffering from food poisoning are seniors, pregnant women, young children, and those with chronic diseases.
12 February 2014, 02:06 PM ET
A method for taking 3D movies of live sperm could help fertility clinics select the most viable cells for fertilization. Sperm motility is an important predictor of in vitro fertilization (IVF) success. The new technique captures the wiggly movement and b
12 February 2014, 01:36 PM ET
WARNING: This video may be disturbing to some viewers.
When doctors discovered blood after removing a 48-year-old woman's hearing aid, they found a live fruit fly larva while examining her ear canal.
12 February 2014, 12:34 PM ET
Natural disasters can create conditions that put survivors at risk for fungal infections, which are often overlooked, a new report from the Centers for Disease Control and Prevention states.
12 February 2014, 12:06 PM ET
Scientists working to develop brain-computer interfaces for disabled people have created a system that allows a person to control a quadcopter with only their mind.
12 February 2014, 10:30 AM ET
The weather may influence people's risk of stroke, a new study finds.
12 February 2014, 10:20 AM ET
Building personalized treatments has long been a goal of cancer treatments, but testing them can be difficult. By using bio-fabricated 3D tissue, researchers are able to test which customized treatments work best.
11 February 2014, 07:01 PM ET
People who live farther north, in colder climates, tend to have more of the intestinal microbes associated with obesity compared to those people at more southern climates.
11 February 2014, 07:00 PM ET
It may seem like a fairly fundamental question, but there is still debate over whether viruses should be considered a form of life.
11 February 2014, 06:34 PM ET
An estimated 1 in 14 women worldwide is sexually assaulted by someone other than a partner, a new study has found.
11 February 2014, 06:30 PM ET
Yearly mammograms in middle-age women do not reduce breast cancer deaths — these tests are essentially as good as physical examination alone, according to a new 25-year study from Canada.
11 February 2014, 04:25 PM ET
Quitting smoking is a healthy step, but it can be exceedingly difficult. Here's a look at the science-proven tips that can make quitting easier.
11 February 2014, 04:00 PM ET
In recent years, several states have passed bills that make it harder for children to gain exemptions from getting the vaccinations schools usually require, and ethicists say this trend is a good one.
11 February 2014, 04:00 PM ET
Just two doses of the human papillomavirus (HPV) vaccine may considerably reduce the risk of developing genital warts, although getting the required three doses provides the most protection, a new study from Sweden suggests.
11 February 2014, 03:59 PM ET
Sales of bacon are at an all-time high, much to the chagrin of health experts, and the cured meat is now found in everything from martinis to candy. Has America become a bacon nation?
11 February 2014, 03:27 PM ET
NBC anchor Bob Costas will take a night off from hosting the networks' Olympics broadcast because of an infection that spread to both his eyes. The news might have you wondering: Why is pink eye so contagious?
11 February 2014, 10:06 AM ET
Pink eye, also known as conjunctivitis, develops when the transparent membrane, or conjunctiva, lining the eyelid and the white part of the eyeball gets inflamed. You can get pink eye from someone else if their bacterial or viral infection passes to you.
10 February 2014, 07:11 PM ET
As Valentine's arrives, how can you prevent a broken heart?
10 February 2014, 07:00 PM ET
Philip Seymour Hoffman’s death earlier this week from a suspected heroin overdose unleashed the usual media coverage of deaths related to this drug. W
10 February 2014, 06:59 PM ET
Sochi's elevation makes speed-skating world records unlikely.
10 February 2014, 04:01 PM ET
Most middle-aged women do not give up sex as they age, especially if sex is important to them, according to a new study.
10 February 2014, 04:00 PM ET
Two new weight-loss drugs should be used cautiously because it's not clear whether they increase the risk for heart problems, some doctors argue.
10 February 2014, 01:58 PM ET
An infection with the chikungunya virus - a mosquito-borne disease that was once confined to Africa and Asia - causes severe pain, fever, headache, vomiting and rash. Experts are concerned that it's now spread to the Caribbean and might arrive in the US.
10 February 2014, 09:16 AM ET
Smartphone apps aimed at preventing cancer, or helping people with the disease to manage it, have the potential to improve people's health, but many of these apps have drawbacks, researchers say.
08 February 2014, 02:08 AM ET
Only treating the symptoms of a problem may mask the real issue at hand.
08 February 2014, 01:04 AM ET
Eat a chocolate a day, but check the label first.
07 February 2014, 06:59 PM ET
Spinal stenosis is a narrowing of the spinal canal, the opening created by the small hole found in each of the vertebrae that make up the human spinal column.